CVE-2022-40719 Command injection in DIR-2150

High 8.8 Published 26 Jan 2023 Updated 1 Apr 2025

Network-adjacent attackers can execute arbitrary commands on D-Link DIR-2150 routers via the xupnpd service without authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-40719?

CVE-2022-40719 is a high-severity command injection vulnerability in D-Link DIR-2150, published on 26 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the xupnpd_generic.lua plugin for the xupnpd service, which listens on TCP port 4044 by default. When parsing the feed parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15906.

Weakness: CWE-78

Which versions are affected by CVE-2022-40719?

It affects 1 product.

Products include Dlink Dir-2150 Firmware.

How do I fix CVE-2022-40719?

No fix has been published for CVE-2022-40719 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-40719 being exploited?

There is no known exploitation of CVE-2022-40719 in the wild and no public exploit code.

Sources

Also known as GHSA-236f-jwrv-vrp5.